Thick brane models in generalized mimetic gravity

Abstract

In this work, we investigate braneworld models in mimetic gravity, with the source field having generalized dynamics. We present the mathematical description necessary to study the generalized model and consider the first-order formalism to solve the equations of motion. We also investigate the linear stability of the gravitational sector to verify that the model is stable. In particular, we consider two specific situations where we were able to get exact solutions with a kink-like profile and calculate several important properties of the brane.

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Cited by in corpus (2)

• Geometrical deformation of brane matter field within $f(R,Q,P)$ gravity
• Thick brane in Palatini formalism with a non-minimally coupled bulk scalar field